Railway-switch



(No Model.)

E. B. ENTWISLE.y

RAILWAY SWITCH.

lNo. 508,095. Patented Nov. 7, 1893.`

WTNESSES: Y v /NVENTH fue NATIONAL LnHocnAPuma coMPANY. wAsmmaToN. D. e.

UNITED STATES PATENT OFFICE.

EDWARD B. ENTWISLE, OF JOHNSTOWN, PENNSYLVANIA, ASSIGNOR, BY MESNE ASSIGNMENTS, TO THE JOHNSON COMPANY, OF PENNSYLVANIA.

RAILWAY-SWITCH.

SPECIFIGATION'formng part of Letters Patent No. 508,095, dated November 7, 1893.

Application iiled January 26, 1893. Serial No. 459,903- (NO model.)

TOaZZ whom it may concern: cured to the rail t by the two bolts b pass- Be it known that I, EDWARD B. ENTWISLE, ing through the lug on each end of the case a citizen of the United States, residing at c. The rod r is securely fastened to the .Iohnstown,in the county of Cambria, State of spring rail or tongue t as by a nut and 45 5 Pennsylvania,haveinventedanew and useful passes through the web of rail t and through Improvement in Railway-Switches, of which` the spring s. By means of a nut n on the the following is a true and exact description, end of the rod r any desired tension may be due reference being had to the accompanying put on the spring s to hold the two rails t drawings. and t together. The plate p in the end of 5o Io This invention relates to an improvement the box is merely to keep out the dirt., the in that class of railroad spring switches, in open end also allowing 'the easy removal of which the spring rail or tongue is held in pothe spring s and rod 1' Without disturbing the sition by a coiled spring. In a switch of this other parts. I construct the box as shown, kind the spring and its necessary covering of a triangular section having a broadbase 5 i5 projecting out from the side of the rail offer and the top rising gradually from each side, to the wheel of a passingwagon an obstructhus forming an easy rise for awheel passing tion over which it must go,`causing a jolt in over it. On account of the broad base I am the wagon and bringing a heavy strain on the enabled to support the box firmly in the road spring box. In a road that is Well kept and bed or a tie may be placed under the rail here 6o 2o when the rails do not project much above the so that the box may rest directlyupo'n it. Or surface of the road this jar will not be so apthe box may be formed havingthe top iiatin preciable, but in a poorly kept road which has the center andan incline on each end for the been permitted to settle below the level of purpose of forming an easy rise for a wheel. the rails and possiblyhasa deep rut along Having described -my invention, what I 65 2 5 the track the jar will'be much greater. claim, and desire to protect b v Letters Pat- The object of my invention is to provide a ent, iscovering for the spring which shall offer the l. In a spring switch, a box or receptacle for least obstruction in the roadway and also be the spring formed with a removable side for so constructed as to support any Weight that inserting and access to spring. 7o 3o may be passed over it and bring the least 2. In a spring switch, a box or receptacle strain on the fastenings which secure it to the for the spring having the top provided with switch rails. two incline-s substantially as described.

In the drawings: Figure 1 represents agenl 3. In a spring switch, a box or receptacle eral plan of such a switch.v Fig. 2 shows a for the spring having a broad base and the 75 35 larger plan of the switch box and its fastentop sloping from the middle toward the sides.

ings to the rail. Fig. 3 is a side View ot' Fig.r In testimony whereofI have afxed my sig- 2, and Fig. 4t is a section ot' Fig. 2 on the line nature in presence of two witnesses. X-X. Fig. 5 is an end View of Fig. 2 and EDWARD B. ENTWISLE. Fig. 6 is a section of Fig. 2 on the line Y-Y. Witnesses: y

4o Figs. 7 and Sshow theconstructionof the box. WM. A. DONALDSON,

It will be seen that the box or case c is se- Y WM. D. MCELHINNY. 

